Topic 1: Place Value
Topic 2: Add and Subtract Decimals
Topic 3: Multiplying Whole Numbers
Topic 4: Divide by 1-digit Divisors
Wildcard
100
In a recent survey, 132,456 ants reported that they were not afraid of the itsy-bitsy spider. This is the value of the 3 in 132,456.
What is 30,000 or thirty thousand
100
66 + 1.4 + 2.6 = 70 These two numbers should be added together first to make the problem easy to solve mentally?
What is 1.4 and 2.6, because it gives you 4, and 66+4 adds to 70.
100
This property tells us that 3 x 2 = 2 x 3
What is the commutative property
100
7 friends want to split the cost on a $490 dollar TV. This is how much will each friend pay Use mental math to find out.
What is 70 dollars (Use 49 / 7 to find answer)
100
This mental math fact using the number 81 helps you to arrive at the answer 8100
What is 81 x 100
200
The track star ran the 40-yard dash in 4.23 seconds. This is the place of the 3 in 4.23.
What is the hundredths place
200
Jim bought a pack of peanuts for $0.75 and an orange for $2.25. This is how much he spent.
What is $3.00
200
Use mental math to find 32 x 100
What is 3200
200
Use rounding to estimate. 650 / 8
What is 65 or 80
200
This property tells us that 7 x 123 is the same as (7x100) + (7 x 23)
What is the distributive property
300
I was able to throw the ball 42.896 yards. This is the value of the 6 in 42.896.
What is 0.006 or six thousandths
300
Estimate to find the sum. 3.28 + 6.8= ?
What is 10 (3+7)
300
Estimate. 12 x 18
What is 180 or 200
300
Eighty one candles will be lit for the memorial. Nine people will light the candles, and each person will light an equal amount. Divide to find out how many candles each person will light.
What is 9 candles
300
If n / 8 = 7, this is the value of n?
What is 56 ( 7 x 8)
400
I was offered $33.78 by one friend and $33.19 by another for my collection of Pokemon cards. I want to take the greatest offer. This is the greater offer. (Hint: Compare place value)
What is $33.78, because the 7 in the tenths place is greater than the 1 in the tenths place in $33.19.
400
This is 87.396 rounded to the nearest whole number
What is 87
400
Adam ran 8 laps in 7 minutes each. This is how many minutes it took him to run the full 8 laps.
What is 8 x 7 = 56
400
972 kids will go on the school field trip. The kids will be split into 9 groups. This many kids will be in each group.
What is 108 kids. (972 / 9)
400
18.13 + 13.2 - 2.4 = ??
What is 28.93 18.13 + 13.2 = 31.33 31.33 - 2.4 = 28.93
500
The three little pigs swim laps every day after work. These were the amount of laps each pig swam. Piglet- 3.75 laps Babe- 3.399 laps Wilbur-3.9 laps This is the three pigs in order by how far they swam from GREATEST to LEAST
What is Wilbur, Piglet, Babe
500
This is 87.839 rounded to the nearest hundredth
What is 87.84
500
32 dogs each had 13 puppies. This many puppies were born in all
What is 416 puppies
500
One hundred twelve campers are going boating. Six people can fit in a boat. This many boats will be needed to hold all of the campers.
What is 19 boats. 112 / 6 = 18 R 4, you can't have a remainder 4 of a boat, and since 18 is too few, you need to round up to 19.
500
Ms. Dentler has $234. She wants to split this money equally between Mr. Castle, Ms. Kupsho, and herself. This is how much money each person will get.
What is $78 234 / 3 = $78